Mophorn Mini Split Line Set Premium Quality for Enhanced Performance Crafted with top-grade copper tubes that meet ASTM standards, this mini split line set ensures outstanding durability and strength. Designed specifically for mini-split air conditioning systems, the advanced three-layer insulation effectively maintains optimal temperature control for efficient operation. Dual Pipes for High and Low Pressure Reinforced Pure Copper Tubing Advanced Three-Layer Insulation Quick and Simple 4-Step Installation Key Features Versatile High and Low Pressure Tubes Featuring 1/4” high-pressure and 1/2” low-pressure tubes, this set is designed for mini-split air conditioning systems compatible with 12,000 to 18,000 BTU units, ensuring optimal performance in various applications. Robust 50FT Copper Tube Stretching up to 50ft, this copper tube easily connects indoor and outdoor units, making long-distance installations straightforward and hassle-free. Superior Three-Layer Insulation Encased in